3486661 has 4 divisors (see below), whose sum is σ = 3490432. Its totient is φ = 3482892.

The previous prime is 3486647. The next prime is 3486677. The reversal of 3486661 is 1666843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3486661 - 2⁵ = 3486629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (872608).

Almost surely, 2^3486661 is an apocalyptic number.

It is an amenable number.

3486661 is a deficient number, since it is larger than the sum of its proper divisors (3771).

3486661 is a wasteful number, since it uses less digits than its factorization.

3486661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770.

The product of its digits is 20736, while the sum is 34.

The square root of 3486661 is about 1867.2602925141. The cubic root of 3486661 is about 151.6363218015.

The spelling of 3486661 in words is "three million, four hundred eighty-six thousand, six hundred sixty-one".